Multiple vulnerabilities in WhatsApp
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-1890 CVE-2020-1886 |
| CWE-ID | CWE-20 CWE-787 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
WhatsApp Messenger for Android Mobile applications / Apps for mobile phones WhatsApp Business for Android Mobile applications / Apps for mobile phones |
| Vendor |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU46538
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-1890
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a URL validation issue. A remote attacker can cause the recipient of a sticker message containing deliberately malformed data to load an image from a sender-controlled URL without user interaction.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWhatsApp Messenger for Android: before 2.20.11
WhatsApp Business for Android: before 2.20.2
External linkshttp://www.whatsapp.com/security/advisories/2020
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to perform certain actions on the device.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Out-of-bounds write
EUVDB-ID: #VU46536
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-1886
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trigger out-of-bounds write via a specially crafted video stream after receiving and answering a malicious video call and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWhatsApp Messenger for Android: before 2.20.11
WhatsApp Business for Android: before 2.20.2
External linkshttp://www.whatsapp.com/security/advisories/2020
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to perform certain actions on the device.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
